Progressive Democrats on Tuesday abruptly withdrew a controversial letter calling on President Joe Biden to push harder for “diplomacy” to end Russia’s invasion of Ukraine, a message that appeared to undermine American unity behind Kyiv. Rep. Pramila Jayapal, D-Wash., yanked the open letter, which was originally signed by 30 lawmakers, amid a firestorm of criticism from political foes and the White House alike. Jayapal apologized for the letter, which was written over the summer and inexplicably released Monday, just two weeks before the midterm elections. “The letter was drafted several month…
